CH257022A - Process for the preparation of a trisazo dye. - Google Patents

Process for the preparation of a trisazo dye.

Info

Publication number: CH257022A
Authority: CH; Switzerland
Prior art keywords: preparation; trisazo dye; trisazo; dye
Prior art date: 1944-05-17

Application number

Other languages

German (de)

Inventor

Ag Sandoz

Original Assignee

Ag Sandoz

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1944-05-17

Filing date

1944-05-17

Publication date

1948-09-15

1944-05-17 Application filed by Ag Sandoz filed Critical Ag Sandoz

1948-09-15 Publication of CH257022A publication Critical patent/CH257022A/en

Classifications

- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
- C09B33/18—Trisazo or higher polyazo dyes
- C09B33/22—Trisazo dyes of the type A->B->K<-C

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Coloring (AREA)

CH257022D 1944-05-17 1944-05-17 Process for the preparation of a trisazo dye. CH257022A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH592764X		1944-05-17

Publications (1)

Publication Number	Publication Date
CH257022A true CH257022A (en)	1948-09-15

Family

ID=4522250

Family Applications (4)

Application Number	Title	Priority Date	Filing Date
CH257022D CH257022A (en)	1944-05-17	1944-05-17	Process for the preparation of a trisazo dye.
CH240797D CH240797A (en)	1944-05-17	1944-05-17	Process for the preparation of a trisazo dye.
CH257021D CH257021A (en)	1944-05-17	1944-05-17	Process for the preparation of a trisazo dye.
CH257023D CH257023A (en)	1944-05-17	1944-05-17	Process for the preparation of a trisazo dye.

Family Applications After (3)

Application Number	Title	Priority Date	Filing Date
CH240797D CH240797A (en)	1944-05-17	1944-05-17	Process for the preparation of a trisazo dye.
CH257021D CH257021A (en)	1944-05-17	1944-05-17	Process for the preparation of a trisazo dye.
CH257023D CH257023A (en)	1944-05-17	1944-05-17	Process for the preparation of a trisazo dye.

Country Status (4)

Country	Link
US (1)	US2471664A (en)
CH (4)	CH257022A (en)
FR (1)	FR910544A (en)
GB (1)	GB592764A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR973000A (en) *	1947-11-19	1951-02-06

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1265031A (en) *	1915-10-06	1918-05-07	Chem Ind Basel	Substantive orthooxyazo dyestuffs and a process of making same.
US2092429A (en) *	1935-03-08	1937-09-07	Chem Ind Basel	Dyeing vegetable fiber
GB497350A (en) *	1936-06-17	1938-12-19	Chem Ind Basel	Manufacture of complex metal compounds of polyazo-dyestuffs
BE445054A (en) *	1941-04-03

1944
- 1944-05-17 CH CH257022D patent/CH257022A/en unknown
- 1944-05-17 CH CH240797D patent/CH240797A/en unknown
- 1944-05-17 CH CH257021D patent/CH257021A/en unknown
- 1944-05-17 CH CH257023D patent/CH257023A/en unknown
1945
- 1945-04-30 FR FR910544D patent/FR910544A/en not_active Expired
- 1945-05-04 US US592064A patent/US2471664A/en not_active Expired - Lifetime
- 1945-05-17 GB GB12426/45A patent/GB592764A/en not_active Expired

Also Published As

Publication number	Publication date
CH240797A (en)	1946-01-31
CH257021A (en)	1948-09-15
GB592764A (en)	1947-09-29
CH257023A (en)	1948-09-15
US2471664A (en)	1949-05-31
FR910544A (en)	1946-06-11

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